Examlex
At least part of ethanol's actions appear to be a result of alterations in serotonergic activity.
Temporal Isolation
A mechanism of reproductive isolation in which two species breed at different times, preventing them from interbreeding.
Hybrid Breakdown
A postzygotic barrier where hybrid offspring have reduced survival or fertility rates.
Gametic Isolation
A prezygotic reproductive barrier where genetic differences prevent gametes from different species from fusing to form a zygote, thus preventing inter-species reproduction.
Behavioral Isolation
A form of reproductive isolation where two populations develop differences in courtship rituals or behaviors that prevent them from mating.
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